<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>HTML 区块</title>
</head>
<body>
	<div class="nav">
		<a href="#">链接1</a>
		<a href="#">链接2</a>
		<a href="#">链接3</a>
		<a href="#">链接4</a>
		<a href="#">链接5</a>

	</div>

	<div class="content">
		<h1>文章标题</h1>
		<p>文章内容</p>
		<p>文章内容</p>
		<p>文章内容</p>
		<p>文章内容</p>
		<p>文章内容</p>
	</div>

	<span>这是第1个span标签</span>
	<span>这是第2个span标签</span>
	<span>这是第3个span标签</span>
	<span>这是第4个span标签</span>
</body>
</html>